AMD Radeon RX 570 X2 vs NVIDIA GeForce GT 640 OEM Rebrand

VS

AMD Radeon RX 570 X2

NVIDIA GeForce GT 640 OEM Rebrand

We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 570 X2 and 1536MB VRAM GeForce GT 640 OEM Rebrand to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 570 X2 's Advantages

Boost Clock1206MHz

More VRAM (8GB vs 1536GB)

Larger VRAM bandwidth (268.8GB/s vs 38.40GB/s)

1904 additional rendering cores

NVIDIA GeForce GT 640 OEM Rebrand 's Advantages

Lower TDP (75W vs 180W)

Score

Benchmark

FP32 (float)

Radeon RX 570 X2 +1090%

4.94 TFLOPS

GeForce GT 640 OEM Rebrand

0.415 TFLOPS

Radeon RX 570 X2

VS

GeForce GT 640 OEM Rebrand

Graphics Card

Unknown

Release Date

Apr 2012

Mining GPUs

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1120 MHz

Base Clock

-

1206 MHz

Boost Clock

-

2100 MHz

Memory Clock

800 MHz

Memory

8GB

Memory Size

1536MB

GDDR5

Memory Type

DDR3

256bit

Memory Bus

192bit

268.8GB/s

Bandwidth

38.40GB/s

Render Config

32

Compute Units

-

SM Count

3

2048

Shading Units

144

128

TMUs

24

32

ROPs

24

-

16 KB (per CU)

L1 Cache

64 KB (per SM)

2 MB

L2 Cache

384 KB

-

Theoretical Performance

38.59 GPixel/s

Pixel Rate

4.320 GPixel/s

154.4 GTexel/s

Texture Rate

17.28 GTexel/s

4.940 TFLOPS

FP16 (half)

-

4.940 TFLOPS

FP32 (float)

414.7 GFLOPS

308.7 GFLOPS

FP64 (double)

34.56 GFLOPS

Board Design

180W

TDP

75W

450 W

Suggested PSU

250 W

1x HDMI 2.0b

Outputs

2x DVI 1x mini-HDMI 1.3a

2x 8-pin

Power Connectors

None

Graphics Processor

Polaris 20

GPU Name

GF116

Polaris 20 XL (215-0910052)

GPU Variant

GF116-150-A1

GCN 4.0

Architecture

Fermi 2.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

40 nm

5.7 billion

Transistors

1.17 billion

232 mm²

Die Size

238 mm²

Graphics Features

12 (12_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.1

OpenCL

1.1

1.2

Vulkan

N/A

-

CUDA

2.1

6.4

Shader Model

5.1

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